Talents Calendar

Olivier Mambwa has had an eventful six months. He made his debut as a 16-year-old in the starting lineup for Young Boys, followed by representing Switzerland at the U17 World Cup, where they were eliminated in the quarterfinals by Portugal (0-2), the eventual champions. Hailing from Bern, the promising defender has set ambitious goals for himself.
Raised in the Bümpilz neighborhood of Bern, Mambwa began his youth career at SC Bümpliz 78 and FC Köniz before joining Young Boys two years ago. He quickly made a positive impression and was promoted to the U17 team as the previous season wrapped up. His ascent continued with a move to the U21 squad, competing in Switzerland’s third division, and he soon made the leap to the first team.
On matchday 5, Mambwa became the youngest player to represent Young Boys in the first division since the Super League’s reform in 2003. Not only did he play, but he also started the match and provided an assist in the 48th minute, bringing the score to 2-1. Throughout the game, he showed no signs of being daunted by the occasion or the experience of older players.
The talented defender exhibited confidence and consistently asked for the ball during attacking plays, often showing frustration when things didn’t go as planned. After 61 minutes, he was substituted to a standing ovation, with his team going on to win 3-1. Fans celebrated Mambwa’s debut, and teammate Christian Fassnacht, who scored from Mambwa’s assist, remarked on the young player’s impressive performance. At that time, Mambwa was just 16 years, eight months, and 26 days old.
Mambwa: A 16-Year-Old Professional
Coach Giorgio Contini had anticipated nothing less from Mambwa. “He listens and implements what we advise,” the 51-year-old head coach said about the young talent. “When I informed him he would start, he already knew his opponent’s strengths and weaknesses.” However, Contini also reminded the young player to keep his expectations in check. “This is just the beginning. It’s crucial to stay grounded and humble.”

Mambwa has taken this advice to heart. He has shown remarkable commitment and remains focused on improving. “The first game went well, but there’s still room for growth,” he stated following his debut. After that match, he played two more games for Young Boys’ first team before heading to the U17 World Cup. Prior to the tournament, the Bern club rewarded him with a long-term contract extending until 2028. During the World Cup, Mambwa played every minute for Switzerland.
“It was a valuable experience for all of us,” Mambwa shared in an interview with Transfermarkt. “We had great team spirit, and both individually and collectively, we demonstrated excellent performances. Unfortunately, we fell short against the favorites, Portugal, in the quarterfinals. But it was thrilling to compete with the best players in my age group. I believe Switzerland should not be underestimated.”
Before the tournament began, the young defender was valued at €800,000, a notable figure among Swiss players his age. Only 22-year-old Bryan Okoh has had a historically higher market value of €1 million. “It was all quite sudden, and I was surprised,” Mambwa reflected. “I was undoubtedly excited when I made my first-team debut and signed my first professional contract. My aim is to give my all in every training session, maintain a positive mindset, and enjoy the game.”
One of his inspirations is former Brazilian star Marcelo. “I always admired his technique and mentality during his time at Real Madrid,” Mambwa noted. “As a child, I also looked up to Paul Pogba.” What are his key strengths? Transfermarkt Data Scout and Switzerland expert Maximilian Meyer offers insight on Mambwa. “For a wing-back, he is quite tall, which allows him flexibility to play as a center-back as well. He’s quick, technically skilled, and possesses excellent crossing ability. Expectations are high, and so far, he’s successfully managed the pressure.”
Player Comparison
Retired
BSC Young Boys U21
Position
Left-Back
Contract until
30/06/2028
Full Player Comparison
Mambwa is resolute in his ambitions. He is uninterested in speculation or rumors and focuses solely on his development in Bern. “I want to establish myself at YB,” Mambwa said. “The key is to play and keep evolving. I refuse to rest on my laurels, as hard work will always yield results.”
From December 1 to 24, we will highlight emerging talents from various countries born in 2008 and 2009. Area managers, users, and data scouts contribute their expertise throughout this series. You can track all these players by adding them to your TM watchlist.










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